5209375 has 12 divisors (see below), whose sum is σ = 6515208. Its totient is φ = 4165000.

The previous prime is 5209319. The next prime is 5209381. The reversal of 5209375 is 5739025.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-5209375 is a prime.

It is a Duffinian number.

5209375 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2292 + ... + 3958.

It is an arithmetic number, because the mean of its divisors is an integer number (542934).

Almost surely, 2^5209375 is an apocalyptic number.

5209375 is a deficient number, since it is larger than the sum of its proper divisors (1305833).

5209375 is an frugal number, since it uses more digits than its factorization.

5209375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692 (or 1672 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 5209375 is about 2282.4055292607. The cubic root of 5209375 is about 173.3518738386.

The spelling of 5209375 in words is "five million, two hundred nine thousand, three hundred seventy-five".